সর্বপ্রথম কোন দেশ বুলেট ট্রেন আবিষ্কার করে? (Which country has first invented the bullet train?)
Boropukuria' is situated in-
The highest law officer of Bangladesh is the-
Birshrestha Ruhul Amin was a member of the-
Bangladesh Folk Arts and Crafts Museum is located in-
Which of the following countries or organizations declared Bangladesh as a Low-middle income country?